Hardy, John T. . <br/><br/>
Science Technology and the Environment /  Textual Documents 
John T. Hardy. 
 - 1st ed. / 
 - Philadelphia :  W.B. Saunders Co. ,  C1975. 
 - x,329p. :  ill ;  26cm . 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0-7216-4513-5 
<br/><br/><label>Subjects--Index Terms: </label>Anthropology Science Technology G-Anthropology 
<br/><br/><label>Dewey Class. No.: </label>572  / H 222 Sc